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Gottfred Carl Henrik Proest
Thomas Nielsen
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Publication of GB190325507ApublicationCriticalpatent/GB190325507A/en
25,507. Proest, G. C. H., and Nielsen, T. Nov. 23. Water-tube boilers; joints.-In boilers in which smoke tubes surrounded by water tubes are employed, the ill effects due to unequal expansion are obviated by the use of a yielding connection 4, to which the fire tube is secured by a conical ring and nut as shown, or by a simple screwed joint. The other end of the fire tube may be connected directly to its header by a cone and nut similar to that shown.
GB190325507D1903-11-231903-11-23Improvements in Steam-generators
ExpiredGB190325507A
(en)